-- Tags: no-parallel SET system_events_show_zero_values = 1; CREATE TEMPORARY TABLE t (x UInt64); INSERT INTO t SELECT value FROM system.events WHERE event = 'OverflowBreak'; SELECT count() FROM system.numbers FORMAT Null SETTINGS max_rows_to_read = 1, read_overflow_mode = 'break'; INSERT INTO t SELECT value FROM system.events WHERE event = 'OverflowBreak'; SELECT max(x) - min(x) FROM t; TRUNCATE TABLE t; INSERT INTO t SELECT value FROM system.events WHERE event = 'OverflowThrow'; SELECT count() FROM system.numbers SETTINGS max_rows_to_read = 1, read_overflow_mode = 'throw'; -- { serverError TOO_MANY_ROWS } INSERT INTO t SELECT value FROM system.events WHERE event = 'OverflowThrow'; SELECT max(x) - min(x) FROM t; TRUNCATE TABLE t; INSERT INTO t SELECT value FROM system.events WHERE event = 'OverflowAny'; SELECT number, count() FROM numbers(100000) GROUP BY number FORMAT Null SETTINGS max_rows_to_group_by = 1, group_by_overflow_mode = 'any'; INSERT INTO t SELECT value FROM system.events WHERE event = 'OverflowAny'; SELECT max(x) - min(x) FROM t;